There is a wide range of benefits of ginger such as nausea, digestive problems, circulation and arthritis. Nausea caused during pregnancy or by travelling is one of the benefits of ginger root. Ginger is also known to have the ability to calm an upset stomach and to promote the flow of bile. Stomach cramps can be eased and circulation can also be improved. Ginger supports a healthy cardiovascular system by making platelets less sticky which in turn reduces circulatory problems.

Ginger oil used for massage can help relieve painful arthritis due to its anti-inflammatory properties. Ginger is often included in many herbal decongestants and can help to minimise the symptoms of respiratory conditions, colds and allergies.

With all the benefits of ginger and continuing research, the ginger root is fast becoming a very popular medicinal herb.

Other useful and detailed source on ginger:

Stomach: Ginger root and ginger oil is often used for stomach upsets. It is one of the best remedies for indigestion, stomach ache, dyspepsia, colic, spasms, diarrhea, flatulence and other stomach and bowel related problems. Ginger or ginger oil is often added in numerous food preparations, especially in India, as it helps in improving digestion. Ginger tea is also used for relieving stomach problems. Further, it increases the appetite of a person.

Food poisoning: Ginger is antiseptic and carminative. As a result, it can be used for treating food poisoning. It is also used for treating intestinal infections and bacterial dysentery.

Nausea and Vomiting: Research has proved that ginger root and its oil is also effective against nausea, motion sickness and vomiting. Usage of ginger may result in reduction in pregnancy related vomiting as well in women.

Heart: It is strongly believed in China that ginger boosts and strengthens your heart. Many people use ginger oil as a measure to prevent as well as cure heart diseases. Preliminary research has indicated that ginger may be helpful in reduction of cholesterol levels and prevention of blood clotting. With reduced cholesterol levels and blood clotting the chances of blockage of blood vessels decrease thereby reducing incidences of heart strokes.

Respiratory: Since ginger root and ginger oil is a good expectorant, it is effective in various respiratory problems such as cold, cough, flu, asthma, bronchitis and breathlessness. Ginger is very effective in removing mucus from the throats and lungs and hence it is often added with tea in India. The health benefit of honey and ginger in treating respiratory problems is well known.

Inflammation and Pain: Extract of ginger is often used in traditional medicine to reduce inflammation. Research has now proved that its anti-inflammatory properties can be attributed to the presence of the substance named Zingibain. It is analgesic in nature and reduces pain caused by muscle aches, arthritis, rheumatisms, headache, migraine, etc. Ginger oil or paste of ginger is often massaged on aching muscles to remove muscle strain. It is further believed that regular use of ginger leads to reduction of prostaglandins which are the compounds associated with pain. Hence ginger helps in pain relief. Recently a few Chinese researchers have reported that ginger is effective for treating inflammation of the testicles.

Menstrual Problems: Irregular and painful menstrual discharges can be treated with ginger.

Malaria: Ginger root and ginger oil is also effective against yellow fever and malaria.